Greene County, PA
FEMA National Risk Index scores, disaster declarations & hazard data
Greene County has experienced 15 federally declared disasters since 1972, most recently Covid-19 in 2020. Its overall natural hazard risk is rated Relatively Low — lower risk than most US counties.
Greene County's highest-rated hazards are landslide, inland flooding, and hurricane, with its top risk rated "Relatively Moderate" by FEMA's National Risk Index. Recorded storm events have decreased 44% over the past five years compared to the prior five-year period.
Past disasters & FEMA designations
A federal disaster declaration officially designates a county for FEMA disaster assistance. Greene County has been designated in 15 declarations since 1972, covering 5 disaster types including flood (4), hurricane (3), severe storm (3).
| Year | Type | Event name |
|---|---|---|
| 2020 | Biological | Covid-19 Pandemic |
| 2020 | Biological | Covid-19 |
| 2013 | Hurricane | Hurricane Sandy |
| 2010 | Snowstorm | Severe Winter Storms And Snowstorms |
| 2005 | Hurricane | Hurricane Katrina |
| 2004 | Hurricane | Tropical Depression Ivan |
| 2004 | Severe Storm | Severe Storms And Flooding Associated With Tropical Depression Frances |
| 2003 | Severe Storm | Snow |
| 1996 | Flood | Severe Storms, Flooding, And Tornadoes |
| 1996 | Flood | Severe Storms And Flooding |
Showing the 10 most recent of 15 total declarations since 1972.
Source: FEMA OpenFEMA Disaster Declarations Summaries. A single disaster can produce more than one record per county. Data current through September 2026.
Risk by hazard type
| Hazard | Risk rating | Risk score | Recorded events | Deaths | Prop. damage |
|---|---|---|---|---|---|
| Wildfire | Very Low | 23.4 | 0 | 0 | — |
| Inland Flooding | Relatively Moderate | 74.3 | 38 | 0 | $32K |
| Coastal Flooding | Not Applicable | — | 0 | 0 | — |
| Earthquake | Very Low | 39 | — | — | — |
| Heat Wave | Very Low | 22.5 | 0 | 0 | — |
| Tornado | Relatively Low | 34.7 | 5 | 0 | $400K |
| Hurricane | Relatively Low | 63.3 | 0 | 0 | — |
| Hail | Relatively Low | 62.1 | 9 | 0 | — |
| Strong Wind | Relatively Low | 33 | 0 | 0 | — |
| Winter Weather | Very Low | 14.3 | 0 | 0 | — |
| Ice Storm | Relatively Low | 27.6 | — | — | — |
| Cold Wave | Relatively Low | 25.3 | — | — | — |
| Lightning | Relatively Low | 54.9 | 0 | 0 | — |
| Drought | Relatively Low | 39.1 | 0 | 0 | — |
| Landslide | Relatively Moderate | 91.2 | 1 | 0 | $15K |
| Avalanche | Very Low | 17.1 | — | — | — |
| Tsunami | Not Applicable | — | — | — | — |
| Volcanic Activity | Not Applicable | — | — | — | — |
Scores are 0–100 percentiles relative to all US counties — higher means more exposed, not that a disaster is likely this year. Event counts: NOAA Storm Events 2016–2026; earthquake counts from USGS ComCat (M3.0+, 1996–2026). See the methodology page for details.
Community vulnerability
Greene County ranks in the 34th percentile (Low) for community vulnerability — a measure of how hard disaster impacts tend to hit residents. Higher vulnerability means more displacement, worse health outcomes, and slower recovery after a disaster.
| SVI theme | Percentile | Vulnerability level |
|---|---|---|
| Overall | 34th | Low |
| Socioeconomic status | 28th | Low |
| Household characteristics | 25th | Low |
| Racial & ethnic minority status | 22nd | Very low |
| Housing type & transportation | 68th | Moderate |
Source: CDC/ATSDR Social Vulnerability Index 2022. Percentiles compare counties nationally — higher means more vulnerable relative to other counties. See CDC SVI for full methodology.
Future risk outlook
| Wildfire metric | National percentile | Level |
|---|---|---|
| Burn probability | 28th | Relatively Low |
| Risk to homes | 28th | Relatively Low |
| Buildings in direct exposure zone | 75.6% | — |
NOAA tracked 53 weather events in this county over 2016–2025: 34 in 2016–20 vs 19 in 2021–25 (-44% — frequency decreasing).
Wildfire: USDA Forest Service Wildfire Risk to Communities (RDS-2020-0016-2) — modeled values, not annual forecasts. See wildfirerisk.org. Inland flood and heat projections pending data availability; coastal sea-level projections are available for select coastal counties below — see the data page.
Nearby counties
Frequently asked questions
What natural hazards pose the greatest risk in Greene County?
According to the FEMA National Risk Index, the highest-risk hazards in Greene County, Pennsylvania are landslide, inland flooding, and hurricane. The county's overall natural hazard risk is rated Relatively Low — lower risk than most US counties.
Has Greene County received federal disaster declarations?
Yes. Greene County has received 15 federal disaster declarations since 1972, including declarations in 2020. The most common disaster type on record is flood (4 declarations).
Has Greene County had any FEMA disaster declarations in 2024, 2025, or 2026?
No federal disaster declarations have been recorded for Greene County since the start of 2024. Its most recent declaration on record is Covid-19 in 2020.
How does Greene County's natural hazard risk compare to nearby counties?
Among neighboring counties, Washington County, PA has the highest overall natural hazard risk (Relatively Moderate) and Marshall County, WV has the lowest (Relatively Low). Greene County is rated Relatively Low overall.
How is Greene County's composite disaster risk index calculated?
Greene County's composite disaster risk index — officially FEMA's National Risk Index (NRI) — scores every US county on a 0–100 percentile scale across 18 natural hazard types, factoring in expected annual loss, social vulnerability, and community resilience. Greene County's composite score of 55 means its overall natural hazard risk is higher than 55% of US counties.